[Swarming] Disable local_smoke_test.py
[Swarming] Disable local_smoke_test.py

devappserver2 has a bug which causes it to incorrectly detect Swarming
as an Endpoints v1 app even though it's been converted to the adapter.

Bug: 848146
Change-Id: Ic8eeb8162f743b7cfe55d33ce923ddc166aa52e1
Reviewed-on: https://chromium-review.googlesource.com/1081550
Commit-Queue: Marc-Antoine Ruel <d2bf0fc09b08f7b0888b3ddab32b3e89c7122c8b@chromium.org>
Reviewed-by: Marc-Antoine Ruel <d2bf0fc09b08f7b0888b3ddab32b3e89c7122c8b@chromium.org>

luci/luci-py,luci/luci-py,luci/luci-py,luci/luci-py